NSSDC: Comet Shoemaker-Levy 9
Contains observations, images, and information about the comet's 1994 impact with Jupiter.
nssdc.gsfc.nasa.gov/planetary/comet.html
Shoemaker-Levy 9 Impact
Information, images, animations, and other resources regarding the 1994 collision of fragments of comet P/Shoemaker-Levy 9 with Jupiter.
seds.lpl.arizona.edu/sl9/sl9.html
Top 20 Comet Shoemaker-Levy Images
The most popular images at the JPL Comet Shoemaker-Levy home page during the month of July 1994.
www.jpl.nasa.gov/sl9/top20.html
Comet Shoemaker-Levy 9 [smplanet.com]
An online activity aimed at exploring Internet resources related to the SL9 impact.
www.smplanet.com/science/SL9.html
Comet Shoemaker-Levy
Comet Shoemaker-Levy 9 in a V-band image obtained 19 June 1993 with the Lowell Observatory 1.1-meter telescope. Seen about 13 months before Jupiter impact.
crux.astr.ua.edu/gifimages/cometsl9_june93v.html